RE: How to stop signal in the folowing case?

["Tom Liu" <tom liu flextrade com>]

> -----Original Message-----
> From: gtk-list-bounces gnome org [mailto:gtk-list-bounces gnome org]
On
> Behalf Of Peter T. Mayer
> Sent: Friday, May 07, 2004 12:18 PM
> To: gtk-list gnome org
> Subject: How to stop signal in the folowing case?
> 
> Hello,
> 
> Lets assume we have two spinbuttons (spinbutton_A and spinbutton_B),
if
> I change one of the spinbuttons the callback functions:
> 
> void on_spinbutton_A_changed (GtkEditable *editable, gpointer
user_data) {

	if (spinbutton_B.value is not MY_VALUSE) {

	    gtk_spin_button_set_value( spinbutton_B, MY_VALUE );
	} 


> }
> 
> void on_spinbutton_B_changed (GtkEditable *editable, gpointer
user_data) {
>     gtk_spin_button_set_value( spinbutton_A, MY_VALUE );
> }
> 
> are called, now as you can see, this is an never ending recursion.
When
> I change spinbutton_A, spinbutton_B is changed too and so his callback
> function is called and so spinbutton_A is changed ...
> 
> Now the question is, what would be the right way to stop this
behavior?
> 
> I tried already to block the signal, but this seems not to give the
> desired result. I had the feeling that the events were stored in the
> meantime, so that after I called unblock, they were processed. Is
there
> a general way to stop a widget emitting signals as long as you
> manipulating it.
> 
> Thanks,
> Peter!
> 
> 
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